package com.kuang.service;

import com.kuang.pojo.Books;

import java.util.List;

/**
 * @author:liuwei
 * @creatdate:2022-04-08-18:06
 */
public interface BookService {
	//增加一个Book
	int addBook(Books book);

	//根据id删除一个Book
	int deleteBookById(int id);

	//更新Book
	int updateBook(Books books);

	//根据id查询,返回一个Book
	Books queryBookById(int id);

	//查询全部Book,返回list集合
	List<Books> queryAllBook();
}
